Hand Held DC System Tester
- At-a-glance testing of batteries, on-board charger, alternator / regulator output
- 6 Easy to read LED Indicators
- Compact lightweight design
![ProMariner Hand Held DC System Tester [87710]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/promariner-hand-held-dc-system-tester-87710.webp)
ProMariner Hand Held DC System Tester [87710]
Original price was: $2.40.$1.59Current price is: $1.59.
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